package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.PermissionDao;
import com.itheima.dao.RoleDao;
import com.itheima.dao.UserDao;
import com.itheima.pojo.Permission;
import com.itheima.pojo.Role;
import com.itheima.pojo.User;
import com.itheima.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Set;

@Service(interfaceClass = UserService.class)
@Transactional
public class UserServiceImpl implements UserService {
    @Autowired
    private UserDao userDao;
    @Autowired
    private RoleDao roleDao;
    @Autowired
    private PermissionDao permissionDao;

    public User findByUsername(String username) {
        //根据用户名查询用户详细信息
        User user = userDao.findByUsername(username);
        if(user == null){
            return null;
        }
        //得到用户id，根据用户id查询用户所对应的角色
        Integer id = user.getId();
        Set<Role> roles = roleDao.findByUserId(id);
        for (Role role : roles) {
            Integer roleId = role.getId();
            //根据角色id，查询相对应的权限
            Set<Permission> permissionns = permissionDao.findByRoleId(roleId);
            role.setPermissions(permissionns);
        }
        user.setRoles(roles);
        return user;
    }
}
